Animals expel energy to keep warm
Your answer would be A. Sacrificing energy.
Being demanding of others' time is not an attractive thing. You become too dominant and controlling. Being critical of others is rude, and many people wouldn't want to be your friend. Losing a sense of identity is bad for yourself. It can lower your self esteem, and negatively affect your mental health.
So, with that explanation, the most reasonable answer would be A.
Well,if your health is bad it well mess you up in the future and you won't be able to do anything any more
Stay rested and dont work to much a lot eat healthy and stay hydrated